Product Details

Purity

>85% (SDS-PAGE)

Target Names

Rapgef2

Uniprot No.

Q8CHG7

Alternative Names

Rapgef2; Kiaa0313; Pdzgef1; Rap guanine nucleotide exchange factor 2; Cyclic nucleotide ras GEF; CNrasGEF; Neural RAP guanine nucleotide exchange protein; nRap GEP; PDZ domain-containing guanine nucleotide exchange factor 1; PDZ-GEF1; RA-GEF-1; Ras/Rap1-associating GEF-1

Species

Mus musculus (Mouse)

Protein Length

Partial

Tag Info

Tag type will be determined during the manufacturing process.

The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.

Form

Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.

Buffer before Lyophilization

Tris/PBS-based buffer, 6% Trehalose, pH 8.0

Reconstitution

We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.

Troubleshooting and FAQs

Protein FAQs

Storage Condition

Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.

Shelf Life

The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.

Lead Time

Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.

Notes

Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Datasheet

Please contact us to get it.

Target Background

Function

Functions as a guanine nucleotide exchange factor (GEF), which activates Rap and Ras family of small GTPases by exchanging bound GDP for free GTP in a cAMP-dependent manner. Serves as a link between cell surface receptors and Rap/Ras GTPases in intracellular signaling cascades. Acts also as an effector for Rap1 by direct association with Rap1-GTP thereby leading to the amplification of Rap1-mediated signaling. Shows weak activity on HRAS. It is controversial whether RAPGEF2 binds cAMP and cGMP or not. Its binding to ligand-activated beta-1 adrenergic receptor ADRB1 leads to the Ras activation through the G(s)-alpha signaling pathway. Involved in the cAMP-induced Ras and Erk1/2 signaling pathway that leads to sustained inhibition of long term melanogenesis by reducing dendrite extension and melanin synthesis. Provides also inhibitory signals for cell proliferation of melanoma cells and promotes their apoptosis in a cAMP-independent nanner. Regulates cAMP-induced neuritogenesis by mediating the Rap1/B-Raf/ERK signaling through a pathway that is independent on both PKA and RAPGEF3/RAPGEF4. Involved in neuron migration and in the formation of the major forebrain fiber connections forming the corpus callosum, the anterior commissure and the hippocampal commissure during brain development. Involved in neuronal growth factor (NGF)-induced sustained activation of Rap1 at late endosomes and in brain-derived neurotrophic factor (BDNF)-induced axon outgrowth of hippocampal neurons. Plays a role in the regulation of embryonic blood vessel formation and in the establishment of basal junction integrity and endothelial barrier function. May be involved in the regulation of the vascular endothelial growth factor receptor KDR and cadherin CDH5 expression at allantois endothelial cell-cell junctions.

Gene References into Functions

Rapgef2-conditional knockout (cKO) mice and Rapgef6-KO mice exhibited hyperlocomotion phenotype and working-memory defect, both of which could be recognized as schizophrenia-like behavior. PMID: 29747665
This study showed here that the guanine nucleotide exchange factor NCS-Rapgef2 is encoded by a neuron-specific transcript from the Rapgef2 gene locus, and functions as an obligate cAMP sensor for dopamine-dependent ERK activation in hippocampus, amygdala, and ventral striatum PMID: 28948210
Study show that double knockout of Rapgef6 in Rapgef2-cKO mice (Rapgef2/6-dKO) results in marked enlargement of the ectopic cortical mass. While Rapgef2-cKO affects late-born neurons only, Rapgef2/6-dKO affects both early-born and late-born neurons in the developing brain. PMID: 27390776
These results indicate a crucial role of the Rapgef2-Rap1A-ERK-c-jun pathway in regulation of the AJ formation in RGCs. PMID: 28917843
The essential role of RA-GEF-1 is the proper formation of the cerebral midline commissures. PMID: 21864586
Rapgef2 deficiency led to embryonic lethality at E11.5 due to severe yolk sac vascular defects. PMID: 20595512
Expressed in neurons, mostly in the cell body, but not in non-neural cells. Telencephalon specific Rapgef2 (also called CNrasGEF, RA-GEF-1, PDZ-GEF1, nRapGEP) cKO mice exhibit an aberrant cerebral cortical structure. PMID: 19453629
CNrasGEF regulates melanogenesis but that it also has a distinct role in regulating cell proliferation/apoptosis PMID: 16272156
These results suggest that deficient Rap1 signaling may lead to defective vascular morphogenesis in the yolk sac and embryos proper. PMID: 17826737
Our findings suggest a crucial function of RA-GEF-1 in neural migration PMID: 19453629
the role of RA-GEF-1 in embryonic vascular network formation was investigated. PMID: 19635461

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Subcellular Location

Cytoplasm. Cytoplasm, perinuclear region. Cell membrane. Late endosome. Cell junction.

Protein Families

RAPGEF2 family

Tissue Specificity

Expressed in all layers of the cerebral cortex, hippocampus and cerebellum. Expressed in the cortical plate, cingulate cortex and the subventricular zone. Expressed in neurons and endocrine cells (at protein level). Expressed in melanoma cells.

Database Links

STRING: 10090.ENSMUSP00000113778

UniGene: Mm.31220

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Recombinant Mouse Rap guanine nucleotide exchange factor 2 (Rapgef2), partial

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